Radeon Gallium3D PCI Express 2.0 For a future article on Michael Larabel's Phoronix.com looking at PCI Express 2.0 (PCI-E 2.0) performance when using the open-source Radeon driver stack (latest Linux kernel Radeon DRM, Mesa 8.0 R600g Gallium3D, xf86-video-ati Git DDX) and toggling the radeon.pcie_gen2 kernel module parameter on a few different ATI/AMD Radeon graphics cards with PCI Express 2.0 support under Ubuntu Linux.
HTML result view exported from: https://openbenchmarking.org/result/1201143-BY-RADEONGAL97&grr&sro&rro .
Processor Motherboard Chipset Memory Disk Graphics Audio Monitor Network OS Kernel Desktop Display Server Display Driver OpenGL Compiler File-System Screen Resolution Radeon HD 4670 Radeon HD 6950 Radeon HD 5750 Radeon HD 6870 Radeon HD 4770 Radeon HD 4890 Radeon HD 5450 Default PCI-E 2.0 Default PCI-E 2.0 Default PCI-E 2.0 Default PCI-E 2.0 Default PCI-E 2.0 Default PCI-E 2.0 Default PCI-E 2.0 Intel Core i7-3960X @ 3.20GHz (12 Cores) Intel DX79SI Intel Sandy DMI2 16384MB 240GB OCZ VERTEX3 AMD Radeon HD 4670 512MB Realtek ALC892 DELL P2210H Intel 82579LM Gigabit Connection Ubuntu 11.10 3.2.0-030200-generic (x86_64) Unity 4.22.0 X Server 1.10.4 radeon 6.14.99 2.1 Mesa 8.0-devel (git-baab68e) Gallium 0.4 GCC 4.6.1 + llvm 2.9 (Ubuntu 2.9+dfsg-3ubuntu2) ext4 1920x1080 AMD Radeon 6900 2048MB AMD Radeon HD 5750 1024MB (700/1150MHz) AMD Radeon HD 5750 1024MB ATI Radeon HD 6800 1024MB (960/1150MHz) ATI Radeon HD 4770 [RV740] 512MB (750/799MHz) AMD Radeon HD 4890 1024MB (900/975MHz) AMD Radeon HD 5450 512MB (650/400MHz) OpenBenchmarking.org System Details - Radeon HD 4670: PCI-E 2.0, Radeon HD 6950: Default, Radeon HD 6950: PCI-E 2.0, Radeon HD 5750: Default, Radeon HD 5750: PCI-E 2.0, Radeon HD 4770: Default, Radeon HD 4770: PCI-E 2.0, Radeon HD 4890: Default, Radeon HD 4890: PCI-E 2.0, Radeon HD 5450: Default, Radeon HD 5450: PCI-E 2.0: Compiz was running on this system.
openarena: 800 x 600 nexuiz: 800 x 600 - No - Off nexuiz: 1280 x 1024 - No - Off openarena: 1280 x 1024 openarena: 1920 x 1080 lightsmark: 1920 x 1080 nexuiz: 1920 x 1080 - No - Off Radeon HD 4670 Radeon HD 6950 Radeon HD 5750 Radeon HD 6870 Radeon HD 4770 Radeon HD 4890 Radeon HD 5450 Default PCI-E 2.0 Default PCI-E 2.0 Default PCI-E 2.0 Default PCI-E 2.0 Default PCI-E 2.0 Default PCI-E 2.0 Default PCI-E 2.0 281.53 105.51 40.39 147.13 95.77 30.69 18.09 272.33 102.89 52.77 162.40 122.53 36.53 17.78 357.33 49.50 214.17 46.70 309.73 69.11 52.03 24.56 314.17 85.78 63.81 37.77 114.39 49.71 49.56 291.97 139.49 68.44 150.18 132.13 24.89 293.93 142.54 71.57 153.18 133.73 36.09 338.63 196.45 139.80 232.60 223.50 81.27 27.15 342.93 199.49 137.88 239.57 229.47 110.48 44.69 89.37 29.18 14.53 31.08 23.37 14.03 9.36 90.03 29.31 15.09 31.20 23.40 14.79 11.71 OpenBenchmarking.org
OpenArena Resolution: 800 x 600 Radeon HD 6950 Radeon HD 5750 Radeon HD 5450 Radeon HD 4890 Radeon HD 4770 Radeon HD 4670 OpenBenchmarking.org Frames Per Second, More Is Better OpenArena 0.8.5 Resolution: 800 x 600 PCI-E 2.0 Default 80 160 240 320 400 SE +/- 0.35, N = 3 SE +/- 1.59, N = 3 SE +/- 0.88, N = 3 SE +/- 0.55, N = 3 SE +/- 0.07, N = 3 SE +/- 0.07, N = 3 SE +/- 0.43, N = 3 SE +/- 1.12, N = 3 SE +/- 0.88, N = 3 SE +/- 0.90, N = 3 SE +/- 0.03, N = 3 SE +/- 2.27, N = 3 214.17 357.33 314.17 309.73 90.03 89.37 342.93 338.63 293.93 291.97 272.33 281.53
Nexuiz Resolution: 800 x 600 - HDR: No - Sound: Off Radeon HD 5450 Radeon HD 4890 Radeon HD 4770 Radeon HD 4670 OpenBenchmarking.org Frames Per Second, More Is Better Nexuiz 2.5.2 Resolution: 800 x 600 - HDR: No - Sound: Off PCI-E 2.0 Default 40 80 120 160 200 SE +/- 0.02, N = 3 SE +/- 0.01, N = 3 SE +/- 0.35, N = 3 SE +/- 0.24, N = 3 SE +/- 0.14, N = 3 SE +/- 0.12, N = 3 SE +/- 0.05, N = 3 SE +/- 0.03, N = 3 29.31 29.18 199.49 196.45 142.54 139.49 102.89 105.51
Nexuiz Resolution: 1280 x 1024 - HDR: No - Sound: Off Radeon HD 5750 Radeon HD 5450 Radeon HD 4890 Radeon HD 4770 Radeon HD 4670 OpenBenchmarking.org Frames Per Second, More Is Better Nexuiz 2.5.2 Resolution: 1280 x 1024 - HDR: No - Sound: Off PCI-E 2.0 Default 30 60 90 120 150 SE +/- 0.02, N = 3 SE +/- 3.27, N = 6 SE +/- 0.16, N = 3 SE +/- 0.37, N = 6 SE +/- 6.37, N = 6 SE +/- 1.26, N = 3 SE +/- 4.71, N = 6 SE +/- 6.94, N = 6 SE +/- 0.02, N = 3 85.78 69.11 15.09 14.53 137.88 139.80 71.57 68.44 52.77 40.39
OpenArena Resolution: 1280 x 1024 Radeon HD 5450 Radeon HD 4890 Radeon HD 4770 Radeon HD 4670 OpenBenchmarking.org Frames Per Second, More Is Better OpenArena 0.8.5 Resolution: 1280 x 1024 PCI-E 2.0 Default 50 100 150 200 250 SE +/- 5.64, N = 6 SE +/- 5.62, N = 6 SE +/- 47.32, N = 6 SE +/- 45.93, N = 6 SE +/- 30.04, N = 6 SE +/- 29.44, N = 6 SE +/- 0.28, N = 3 31.20 31.08 239.57 232.60 153.18 150.18 162.40 147.13
OpenArena Resolution: 1920 x 1080 Radeon HD 5450 Radeon HD 4890 Radeon HD 4770 Radeon HD 4670 OpenBenchmarking.org Frames Per Second, More Is Better OpenArena 0.8.5 Resolution: 1920 x 1080 PCI-E 2.0 Default 50 100 150 200 250 SE +/- 0.00, N = 3 SE +/- 0.03, N = 3 SE +/- 0.55, N = 3 SE +/- 0.46, N = 3 SE +/- 0.29, N = 3 SE +/- 0.13, N = 3 SE +/- 0.20, N = 3 SE +/- 0.15, N = 3 23.40 23.37 229.47 223.50 133.73 132.13 122.53 95.77
Lightsmark Resolution: 1920 x 1080 Radeon HD 6870 Radeon HD 5750 Radeon HD 5450 Radeon HD 4890 Radeon HD 4670 OpenBenchmarking.org Frames Per Second, More Is Better Lightsmark 2008 Resolution: 1920 x 1080 Default PCI-E 2.0 30 60 90 120 150 SE +/- 2.53, N = 6 SE +/- 2.16, N = 6 SE +/- 0.04, N = 3 SE +/- 0.08, N = 3 SE +/- 0.01, N = 3 SE +/- 2.09, N = 3 SE +/- 3.01, N = 6 SE +/- 0.72, N = 6 SE +/- 0.08, N = 3 114.39 63.81 52.03 14.79 14.03 110.48 81.27 36.53 30.69
Nexuiz Resolution: 1920 x 1080 - HDR: No - Sound: Off Radeon HD 6950 Radeon HD 6870 Radeon HD 5750 Radeon HD 5450 Radeon HD 4890 Radeon HD 4770 Radeon HD 4670 OpenBenchmarking.org Frames Per Second, More Is Better Nexuiz 2.5.2 Resolution: 1920 x 1080 - HDR: No - Sound: Off PCI-E 2.0 Default 11 22 33 44 55 SE +/- 0.39, N = 3 SE +/- 0.84, N = 3 SE +/- 0.43, N = 3 SE +/- 0.34, N = 3 SE +/- 0.24, N = 3 SE +/- 0.42, N = 3 SE +/- 0.05, N = 3 SE +/- 0.00, N = 3 SE +/- 0.14, N = 3 SE +/- 0.33, N = 3 SE +/- 0.27, N = 3 SE +/- 0.17, N = 3 SE +/- 0.14, N = 3 SE +/- 0.13, N = 3 46.70 49.50 49.56 49.71 37.77 24.56 11.71 9.36 44.69 27.15 36.09 24.89 17.78 18.09
Phoronix Test Suite v10.8.5